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android: add SUPPORTS_PTHREAD_GETNAME_NP definition #12011

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Merged
mattklein123 merged 12 commits into from
Jul 14, 2020
Merged

android: add SUPPORTS_PTHREAD_GETNAME_NP definition #12011

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add SUPPORTS_PTHREAD_GETNAME_NP definition
Jul 9, 2020
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another if-def
Jul 9, 2020
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opps didnt save
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newline
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add spelling
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pr feedback
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better comment
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add np
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single back ticks
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Merge branch 'master' of https://github.com/envoyproxy/envoy into add…
Jul 13, 2020
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Merge branch 'master' of https://github.com/envoyproxy/envoy into add…
Jul 14, 2020
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14 changes: 14 additions & 0 deletions include/envoy/common/platform.h
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Expand Up @@ -235,3 +235,17 @@ struct mmsghdr {
unsigned int msg_len;
};
#endif


#define SUPPORTS_PTHREAD_GETNAME_NP
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@jmarantz jmarantz Jul 10, 2020

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suggest defining it to 1 or 0, rather than defining/not-defining it. That would make it less cumbersome to use in logical expressions at call-sites.

I think that's more consistent with other similar definitions in this file.

#ifdef __linux__
#undef SUPPORTS_PTHREAD_GETNAME_NP
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#endif

// https://android.googlesource.com/platform/bionic/+/master/docs/status.md
// pthread_getname_np is introduced in API 26
#ifdef __ANDROID_API__
#if __ANDROID_API__ < 26
#undef SUPPORTS_PTHREAD_GETNAME_NP
#endif // __ANDROID_API__ < 26
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#endif // ifdef __ANDROID_API__
2 changes: 1 addition & 1 deletion source/common/common/posix/thread_impl.cc
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Expand Up @@ -93,7 +93,7 @@ class ThreadImplPosix : public Thread {
}

private:
#ifdef __linux__
#ifdef SUPPORTS_PTHREAD_GETNAME_NP
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// Attempts to get the name from the operating system, returning true and
// updating 'name' if successful. Note that during normal operation this
// may fail, if the thread exits prior to the system call.
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